Storage battery



FIG. 1 is a front, right, top perspective view of a storage battery showing our new design;

FIG. 2 is a rear, left, bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings are for the purpose of illustrating portions of the storage battery that form no part of the claimed design. 

CLAIM The ornamental design for a storage battery, as shown and described. 